#pragma once

#include <iostream>

using std::cout;
using std::endl;

int Add(int a = 0, int b = 1, int c = 2);
int Add(double a = 0, int b = 1, char c = 'a');
int Add(int a = 0, int b = 1);
int Add(int a = 0, double b = 1.1, char c = 'b');

void Swap(int* x, int* y);
void Swap(int& x, int& y);

